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Finding the Fourth Proportional to 195.46, 293.30 and 73.74

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Solution

The fourth proportional to 195.46, 293.30 and 73.74 is: 110.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.46 : 293.30 = 73.74 : x
  2. Step 2: Convert to fraction form
    195.46/293.30 = 73.74/x
  3. Step 3: Cross multiply
    195.46x = 293.30 × 73.74
  4. Step 4: Simplify right side
    195.46x = 21,627.94
  5. Step 5: Solve for x
    x = 21,627.94/195.46
  6. Step 6: Final answer
    x = 110.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.